Remove all carriage return and line feed from file - powershell

Question

Last week I have asked you guys to replace a string with newline character with .bat script. I have realized that my file has some carriage return and newline characters already, which I need to remove first and then do the replace.
to replace '#####' with linefeed I am using the line below.
(gc $Source) -replace "#####", "`r`n"|set-content $Destination
So I tried to implement the same logic to replace \r and \n as well, however it did not work.
(gc $Source) -replace "`n", ""|set-content $Destination
my file looks like :
abc|d ef|123#####xyz|tuv|567#####
and I need to make it look like
abc|def|123 xyz|tuv|567
like I said, replacing the row delimiter character with new line works, but I need to remove all cr and lf characters first before I do that.
For small files the script below works, but my file is >1.5GB and it throws OutofMemoryException error
param
(
[string]$Source,
[string]$Destination
)
echo $Source
echo $Destination
$Writer = New-Object IO.StreamWriter $Destination
$Writer.Write( [String]::Join("", $(Get-Content $Source)) )
$Writer.Close()

Answer 1

Use the below function to remove the special characters. Put all of them in $SpecChars what ever you want to remove and call the function with the Text-data as a parameter.
Function Convert-ToFriendlyName
{param ($Text)
# Unwanted characters (includes spaces and '-') converted to a regex:
#Whatever characters you want to remove, put it here with comma separation.
$SpecChars = '\', ' ','\\','-'
$remspecchars = [string]::join('|', ($SpecChars | % {[regex]::escape($_)}))
# Convert the text given to correct naming format (Uppercase)
$name = (Get-Culture).textinfo.totitlecase(“$Text”.tolower())
# Remove unwanted characters
$name = $name -replace $remspecchars, ""
$name
}
Hope it helps...!!!

Answer 2

This is vbscript. Windows isn't consistent. Mostly it breaks on CR and removes LF (all inbuilt programming languages). But Edit controls (ie Notepad) break on LF and ignore CR (unless preceding a LF).
Set Inp = WScript.Stdin
Set Outp = Wscript.Stdout
Do Until Inp.AtEndOfStream
Text = Inp.readall
Text = Replace(Text, vbcr, "")
Text = Replace(Text, vblf, "")
Text = Replace(Text, "#####", vblf)
outp.write Text
Loop
This uses redirection of StdIn and StdOut.
Filtering the output of a command
YourProgram | Cscript //nologo script.vbs > OutputFile.txt
Filtering a file
Cscript //nologo script.vbs < InputFile.txt > OutputFile.txt
See my CMD Cheat Sheet about the Windows' command line Command to run a .bat file
So this removes line ending in win.ini and prints to screen the now one line win.ini.
cscript //nologo "C:\Users\David Candy\Desktop\Replace.vbs" < C:\windows\win.ini